00280n   a2200121 a 4500000002100000001000700021005001700028082001000045100002200055245001900077260004900096300001300145B B                 00649420220201171639.0  a338.5  aPindyck, Robert S  aMicroeconomics  aNew YorkbMacmillan Publishing Companyc1989  axx,668p.